21.   But because so few black patients had the procedure, their overall survival worked out to be substantially below that of white patients.

22.   But on Monday, he said he no longer was certain about having the procedure.

23.   But, he said, the company did not have a procedure allowing the patient to take the initiative and demand an independent medical review of decisions on claims.

24.   Coming off the first arm surgery of his life in August when he had an arthroscopic procedure on his shoulder, Avery said he felt bizarre but good.

25.   Each requires extensive thumb typing to input specific data on the phone keypad, though each has set-up procedures that will let a user input basic personal information once.

26.   Each Internet service provider has a procedure to allow members to join into Usenet conversation.

27.   He said he did not think that the department had procedures in place to prevent it from keeping property and money in the future.

28.   He will have the procedure next week after he returns home to Las Vegas.

29.   Hence, a start-up like Netscape Communications can offer stock options to many people, though larger organizations generally have procedures that make it harder to get special deals.

30.   Hundreds of thousands of patients each year have procedures to open clogged arteries by scraping them clean with a sharp blade or squashing plaque with tiny balloons.